R.L. Polk & Co. Market Research Division. (1936). Consumer study of the Spokane trade area. Spokesman-Review, Spokane Daily Chronicle].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रR.L. Polk & Co. Market Research Division. Consumer Study of the Spokane Trade Area. [Spokane, Wash.: Spokesman-Review, Spokane Daily Chronicle], 1936.
एमएलए (8वां संस्करण) प्रशस्ति पत्रR.L. Polk & Co. Market Research Division. Consumer Study of the Spokane Trade Area. Spokesman-Review, Spokane Daily Chronicle], 1936.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.